drupal bootstrapc2d15aa8025b7712e74e-1505847d119f604454ecf19a71b54755.r53… · uses • the...

DRUPAL BOOTSTRAP

Tuesday, February 26, 13

WHAT IS BOOTSTRAP?

•Drupal is a MVC system

• Base architecture is based on the bootstrap

•Where all actions start

Tuesday, February 26, 13

USES• The index.php in Drupal

• The cron.php in Drupal

• For integration with other systems

• To execute “light” calls

• For high performance process

• Command line applications (can be handy)

• A more restrict DrupalTuesday, February 26, 13

PHASES

1. Configuration

2. Page Cache

3. Database

4. Variables

5. Session

6. Page header

7. Language

8. Full

Menu Handler

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CONFIGURATION PHASE

• Initializes the configuration

•Determinate which settings.php to use

• Load the basic configuration and settings for that specific site

• Also sets some basic ground for Drupal to work

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PAGE CACHE PHASE

• Includes the cache system specified by the settings

• Support page caching without use of database

• Checks the access denied Drupal rules by IP

• If hits a cache, returns and no more work is needed

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DATABASE PHASE

• If no database system set up, attempt an install

• Loads the corresponding database objects for the DB type

• Initialize the default database connection

• Is also available any secondary database from this point

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VARIABLES PHASE

• Uses the Drupal Lock system (which is DB based and can be override)

• Set up the variable system

• Loads all the variables

• Variable system uses cache to improve performance

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SESSION PHASE

•Determine the way session is implemented

• Initialize the session

• Session implementation can be override

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PAGE HEADER PHASE

• Invokes boot hook

• Handles if is a CLI request or web request

• If is a web request it sets up HTTP basic headers

•Drupal can be used on command line or with Drush for example

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LANGUAGE PHASE

• Sets up 118n (Internationalization)

• Sets up Drupal multilingual functionalities

• Invoke language_init hook

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FULL PHASE

• Sets up and initializes path, theme, pager, menu, table sort, file, unicode, image, forms, mail, actions, token, error

• Gets file streams wrappers

• Load all modules

• Handles maintenance mode

• Invoke all init hooks

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MENU HANDLER

• Can also be used forcing a specific path

• Handles site offline

• Handles access permissions of the menus

• Triggers 404’s

•Delivers page (triggers the page theming)

Tuesday, February 26, 13